200 results about "Arthroscopes" patented technology

An optical cannula system can include a cannula, a body, a first tube, a second tube, and a valve assembly. An outer cannula wall can define an interior space extending along an axis of the cannula. One or more inner cannula walls within the outer cannula wall can divide the interior space into a first channel and a second channel. A proximal portion of the cannula can be received within the body. The first and second tubes can extend from the body. The valve assembly can have a first configuration in which the first tube is in fluid communication with the first channel and the second tube is in fluid communication with the second channel. The valve assembly can have a second configuration in which the first tube is in fluid communication with the second channel and the second tube is in fluid communication with the first channel.

The invention discloses a joint injury identification method and system based on arthroscopic imaging. The method comprises the steps that an original image, collected by an arthroscope, of intra-articular tissue is acquired; sequentially performing denoising, artifact removal and deblurring processing on the original image to obtain a preliminary original image; performing corresponding semantic segmentation according to the initial original image so as to segment sub-regions corresponding to different tissues on the initial original image, and performing image enhancement on the different sub-regions by adopting corresponding image enhancement strategies to obtain a target image; and performing visual display on the target image through a display device so as to perform joint injury identification on the current joint. According to the method, arthroscope imaging is enhanced, and medical staff are assisted in recognizing the joint injury state.

A system configured for registration of arthroscopic video images to preoperative models includes one or more computing devices configured to identify an anatomical structure represented in diagnostic video data, register one of a plurality of anatomical structures in a three-dimensional (3D) anatomical model to the anatomical structure represented in the diagnostic video data, the 3D anatomical model being generated from preoperative image data, track the anatomical structure intraoperatively based on the registered one of the plurality of anatomical structures, generate a simulated projected view of the registered one of the plurality of anatomical structures from the 3D anatomical model based on a determined orientation of the arthroscope during capture of intraoperative video data, and output the simulated projected view scaled and oriented based on one or more landmark features of the anatomical structure extracted from the intraoperative video data.

The invention discloses a multi-degree-of-freedom lifting mechanism and a lifting frame for arthroscope perfusate. The invention relates to the technical field of medical instruments. The device is composed of a vehicle body, a lifting mechanism, a clamping assembly and a space angle adjusting mechanism. The trolley body is designed to be movable and can be conveniently and flexibly positioned in an operating room. The lifting mechanism is connected with the clamping and fixing assembly through a vertically-arranged ball screw assembly, and accurate lifting control over the clamping and fixing assembly is achieved. The clamping and fixing assembly is used for clamping and fixing the perfusate bag to ensure stable supply of perfusate in the operation process; according to the technology, free adjustment of pitching, yawing and rolling angles of the perfusion pipe in a three-dimensional space is achieved through the spherical gear mechanism, and the flexibility of the perfusion system is improved. A doctor can quickly and accurately adjust the angle of the infusion tube according to the specific anatomical structure of a surgical site, it is ensured that liquid can be accurately flushed, a blind area is effectively avoided, and the definition of the surgical field is improved.

Systems for fusing arthroscopic video data are described. A system comprises an arthroscopic assembly, an inertial measurement unit (IMU) mounted on the arthroscopic assembly, a processor, and a processor-readable storage medium. An arthroscopic surgical plan, images from the arthroscopic assembly, and measurements from the IMU may be obtained. The images and the measurements may be combined to form a data combination. The data combination may be filtered to form a fused data set. The fused data set may control a device. A map of an arthroscopic surgical site may be created based on the fused data set, and a position of the arthroscopic assembly with respect to the arthroscopic surgical site may be calculated. The arthroscopic surgical plan may be updated based on at least one of the map of the arthroscopic surgical site and the position of the arthroscopic assembly.

The invention relates to the technical field of medical image processing and surgical navigation, in particular to an arthroscopic surgery real-time navigation method and system based on multi-modal image fusion, and the method comprises the following steps: S1, collecting preoperative CT (Computed Tomography) or MRI (Magnetic Resonance Imaging) data of a patient to generate a three-dimensional model, and collecting an intra-operative arthroscopic real-time video to provide input data for subsequent registration; and S2, performing image preprocessing, including denoising and enhancement, on the three-dimensional model and the arthroscope video, and extracting key anatomical features and lesion boundaries to obtain a processing result which can be used for registration. According to the method, the preoperative three-dimensional model and the intra-operative arthroscope real-time video are fused, and multi-strategy registration, closed-loop correction and dynamic updating are combined, so that continuous registration and real-time navigation of multi-modal data are realized, and the problems that the traditional arthroscope surgical navigation mostly depends on a single-modal image, and the navigation accuracy is low are solved. And the problem of insufficient intraoperative registration precision caused by lack of multi-source information fusion is solved.

The invention provides a temporomandibular arthroscope multi-angle adjusting imaging device, and relates to the technical field of medical instruments.The temporomandibular arthroscope multi-angle adjusting imaging device comprises a controller and a working rod, the working rod comprises an outer cylinder and an inner drive telescopic rod coaxially connected to the interior of the outer cylinder, one end of the outer cylinder is open, and the other end of the outer cylinder is connected with the controller; one end of the inner drive telescopic rod is connected with the controller, and the end, away from the controller, of the inner drive telescopic rod is rotationally connected with an imaging assembly. The problem that in the prior art, due to the fact that the angle is fixed, some lesions can be ignored is solved.

The utility model relates to the technical field of endoscopic surgical instruments, in particular to a disposable arthroscope which comprises a sheathing canal main body provided with a hollow cavity, a sheathing canal seat arranged at the tail end, a plug arranged at the head end, an observation channel and an instrument channel which are communicated with the hollow cavity and arranged on the plug, and a miniature camera fixedly arranged in the observation channel. A control line connected with the miniature camera penetrates through the hollow cavity to be fixed in the sheath tube seat, a line tube for the control line to penetrate through is arranged at one end, close to the sheath tube body, of the observation channel, the miniature camera abuts against the line tube, a mounting hole capable of containing the sheath tube is formed in the sheath tube seat, and the tail end of the miniature camera is inserted into the mounting hole. The sheath tube base is further provided with an instrument hole and a line hole which are communicated with the mounting hole, and the control line is fixedly arranged in the line hole. According to the disposable arthroscope, the double-channel plug is arranged at the head end of the sheathing canal, and an observation channel and an instrument channel are integrated on the same sheathing canal, so that the observation view can better meet the operation requirement, and the operation efficiency is improved.

The invention relates to the technical field of medical auxiliary instruments, in particular to an arthroscopic surgery electromagnetic navigation robot which comprises an operating bed, a first robot and a second robot are arranged on one side of the operating bed, an electromagnetic generator assembly is installed on the operating bed, and a guide needle is detachably installed at the movable end of the first robot; an electromagnetic receiver is installed on the guide pin, and an ultrasonic imaging assembly is installed at the movable end of the second robot. According to the invention, the robot is used for replacing people for operation, and a part with a navigation function is arranged, so that the operation can be more accurately implemented and completed.

An optical cannula system can include a cannula, a body, a first tube, a second tube, and a valve assembly. An outer cannula wall can define an interior space extending along an axis of the cannula. One or more inner cannula walls within the outer cannula wall can divide the interior space into a first channel and a second channel. A proximal portion of the cannula can be received within the body. The first and second tubes can extend from the body. The valve assembly can have a first configuration in which the first tube is in fluid communication with the first channel and the second tube is in fluid communication with the second channel. The valve assembly can have a second configuration in which the first tube is in fluid communication with the second channel and the second tube is in fluid communication with the first channel.

Surgical methods and devices that facilitate registration of arthroscopic video to preoperative models are disclosed. With this technology, a machine learning model is applied to diagnostic video data captured via an arthroscope to identify an anatomical structure. An anatomical structure in a three-dimensional (3D) anatomical model is registered to the anatomical structure represented in the diagnostic video data. The 3D anatomical model is generated from preoperative image data. The anatomical structure is then tracked intraoperatively based on the registration and without requiring fixation of fiducial markers to the patient anatomy. A simulated projected view of the registered anatomical structure is generated from the 3D anatomical model based on a determined orientation of the arthroscope during capture of intraoperative video data. The simulated projected view is scaled and oriented based on one or more landmark features of the anatomical structure extracted from the intraoperative video data.

The invention discloses an arthroscope with a variable viewing angle for orthopedic surgery, and relates to the technical field of medical instruments, the arthroscope comprises a control handle, the control handle is provided with an arthroscope body in a penetrating manner, the end part of the arthroscope body is provided with an auxiliary disc, the auxiliary disc is provided with an LED light source for auxiliary illumination, and the side of the LED light source is provided with a camera. According to the arthroscope with the variable visual angle for the orthopedic surgery, when a user needs to adjust the angle of a camera, the user only needs to rotate a rotary knob, so that a visual angle adjusting mechanism starts to operate, the internal pressure of a micro soft actuator is increased at the moment, and deformation and bending occur; the deformed and bent miniature soft actuator can synchronously drive the auxiliary disc to perform angle change, so that the camera is further adjusted, an operator can realize visual angle adjustment only by adjusting a knob, the operation of angle adjustment is simplified, the operation efficiency is improved, a wider visual field is provided for an operation, and the operation safety is improved. And the flexibility of surgical operation is improved.

The invention discloses a head-steerable arthroscope planer tool based on soft hydraulic drive, which comprises an operating handle and a hollow main rod connected with the operating handle, the free end of the hollow main rod is connected with a soft driver, and the soft driver comprises a soft tube. A central channel is formed in the side wall of the flexible pipe, a plurality of axially-arranged hydraulic cavities are formed in the side wall of the flexible pipe around the central channel, a planing window is formed in one side of the free end of the flexible pipe, a rotatable planing tool bit is arranged in the planing window, and a liquid pump, a control module and a low-pressure liquid storage device connected with the liquid pump are installed in the operating handle; a plurality of fluid control valves in one-to-one correspondence with the hydraulic cavities are further arranged in the operating handle, the fluid control valves are communicated with the hydraulic cavities through corresponding hydraulic micro-pipes, the hollow main rod is provided with a flexible transmission shaft connected with the planing tool bit, and one end of the flexible transmission shaft is connected with a motor. The planer tool can solve the problems that an existing planer tool for the arthroscope cannot continuously adjust the working angle and cannot actively adapt to complex anatomical forms.

The utility model relates to a semi-open type arthroscope retractor, which belongs to the technical field of medical instruments and comprises a main body ring, an extension ring and a retraction sheet, the extension ring is connected and communicated with the main body ring, the main body ring is used for being held by a hand of an operator, the extension ring is used for extending the position of the retraction sheet, the retraction sheet is fixedly connected to the bottom of the extension ring, and the retraction sheet is fixedly connected with the extension ring. And the retraction sheet is an arc-shaped sheet. Due to the annular design of the main body and the extension ring, a tool can extend into a notch position from a central position for operation.

The invention relates to the technical field of medical apparatus and instruments, and discloses a multi-degree-of-freedom flexible arthroscope bite forceps which comprise a bite forceps assembly, the bite forceps assembly comprises two bite head bodies, one end of each bite head body is integrally connected with a hinge joint, the interior of each hinge joint is rotatably connected with a first pin shaft, and the outer surface of each first pin shaft is sleeved with a torsional spring; connecting plates are rotationally connected to the two ends of the first pin shaft, a second pin shaft is rotationally connected between the two connecting plates, and a U-shaped plate is rotationally connected to the outer surface of the second pin shaft. By means of the handle control assembly, through cooperation of the finger ring, the L-shaped rod and the traction line, opening and closing of the biting head body can be easily controlled, diseased tissue is bitten, meanwhile, the angle of the connecting plate and the angle of the U-shaped plate can be adjusted by rotating the first rotary knob and the second rotary knob, the biting forceps can flexibly change the posture and accurately reach the complex position in the joint, and the working efficiency is improved. Regions, such as the deep edge of the meniscus of the knee joint, which are difficult to touch by traditional bite forceps, are effectively prevented from damaging surrounding normal tissues, and the operation difficulty is reduced.

A bipolar radiofrequency (RF) device for treating tissue in the presence of an electrically conductive fluid includes a headpiece and a probe. The handpiece has a motor drive, a receiving channel, and an active electrical contact on an inner wall of the receiving channel. A return electrical contact is disposed proximally of the active electrical contact on the inner wall of the receiving channel. A probe includes a proximal hub and an elongated shaft extending distally about a longitudinal axis from the proximal hub, and the hub being may be inserted into and removed from the receiving channel of the handpiece. A working end of the probe is located at a distal end of the elongated shaft, and the working end includes an active electrode and a return electrode. A return electrical contact is located proximally of an active electrical contact on an outer surface of the hub. In this way, the return electrical contacts in the receiving channel and on the outer surface of the hub, respectively, and the achieve electrical contacts in the receiving channel and on the outer surface of the hub, respectively, engage each other when the hub is inserted into the receiving channel of the handpiece.

Arthroscopes and laparoscopes are available in several lens cuts to cover different clinical situations of interest, with the surgeon having to exchange the optics in order to change the direction of view of the camera. The presently disclosed embodiments disclose real-time image processing systems and methods that enable the user to arbitrarily change the direction of view of a surgical camera with the advantage of avoiding the disruption in workflow caused by the physical exchange of the optics. In addition, the presently disclosed embodiments disclose performing zoom along an arbitrary viewing direction (directional zoom) that enables to increase the scale of a region of interest without decreasing the overall field-of-view or losing image contents.

This invention provides a biomimetic training model for temporomandibular arthroscopic disc reduction and suturing. The biomimetic training model includes: a skull model with several traction positioning components; a simulated articular disc; a simulated joint capsule including a superior and inferior joint capsule, which are respectively connected to the upper and lower surfaces of the simulated articular disc; the superior joint capsule has an upper opening, and the inferior joint capsule has a lower opening; a temporal bone connector connected to the upper opening and detachably connected to the temporal bone of the skull model; a mandibular bone connector connected to the lower opening and detachably connected to the mandible of the skull model; and several traction components, one end of which is connected to the simulated articular disc, and the other end is adapted to be detachably connected to the traction positioning components, thereby adapting the shape and position of the simulated articular disc by connecting the traction components to the traction positioning components.

The utility model discloses a double-channel arthroscope approach cannula, and particularly relates to the technical field of medical instruments, the double-channel arthroscope approach cannula comprises an approach end, a cannula main body and an outer end which are connected in sequence, a through approach channel is arranged in the cannula main body, a straight double-hole gasket is arranged in the approach channel, and the outer end of the cannula main body is connected with the straight double-hole gasket. The double-opening gasket divides the inlet channel into a first channel and a second channel, a sealing gasket is installed at the outer end, a circle of annular take-up ring is fixed to the edge of the outer side wall of the sealing gasket, a plurality of take-up grooves extending inwards are formed in the edge of the take-up ring, and a rotatable take-up mechanism is installed at the outer end of each take-up groove. In the operation process, the suture lines can be conveniently arranged and distinguished, the disorder and confusion phenomena of the operation suture lines are reduced, meanwhile, the two channels can respectively pass through an arthroscope and an instrument, operation is convenient, mutual interference is avoided, the operation efficiency is improved, and the error rate is reduced.

The application relates to the technical field of deep learning, in particular to an arthroscopic image real-time abnormality recognition system based on deep learning. The system identifies the high light performance degree of different regions in the image during model recognition, analyzes the high light performance and the probability value deviation of interframe pixel points, extracts the dynamic change trend of the target region pixel points in continuous frames, and obtains the consistent degree of performance in time sequence. The system further analyzes the covering influence of high light on the region in the time sequence video, and then adjusts the segmentation confidence degree by using the segmentation degree of the pixel points in the initial target region which is influenced by the high light, compensates the region information which is partially blocked or blurred through multi-frame fusion, and obtains the final target region for model training. Through interframe high light feature and region fusion processing, the application reduces error accumulation and high light interference, obtains a more accurate and complete abnormal region, and effectively improves the recognition precision of deep learning.

The invention belongs to the technical field of minimally invasive surgery robots and medical instruments, and discloses a modular self-telescopic steerable arthroscope system based on a rod-driven continuum structure. The system is mainly composed of a modular arthroscope body and a driving system with closed-loop control capability. The system has the flexibility of a continuum robot, the flexibility of the arthroscope in an unstructured environment is enhanced, the visual range of the arthroscope is widened, and the surgical risk during use is reduced. Due to the modular design, the expansibility of the arthroscope is enhanced, and meanwhile no-dead-corner disinfection of the whole structure is facilitated. The telescopic characteristic ensures that the camera module is prevented from being injured before entering a human body, and meanwhile, the bending radius is adjustable.

The present application relates to a kind of arthroscopic approach water leakage prevention device, including the elastic cover with dome structure, the sealing valve being arranged in the center position of cover and negative pressure suction mechanism, sealing valve has the conical hollow structure extending to base direction and gradually reducing outer diameter, reverse compensation sealing is realized using joint cavity infusion liquid pressure, cover base edge is equipped with flexible sealing skirt, by the negative pressure interface connection external negative pressure source, so that cover and skin form negative pressure sealing space, the device can be connected in series by negative pressure interface multiple occluder, and equipped with detachable guide rod auxiliary coaxial positioning.The present application uses non-insertion type surface adsorption occlusion, effectively solve the space interference and tissue damage problem in multiple tunnel operation, realize the dynamic water stop of pressure self-adaption, with the advantages of simple operation, sealing stable, strong dissection adaptability, can significantly improve the operation visual clarity and maintain joint cavity pressure stability.

An arthroscopic cutting probe includes an outer sleeve having a longitudinal bore and an outer cutting window at its distal end. An inner sleeve is rotationally disposed in a bore of the outer sleeve, and the inner sleeve has a distal end, a proximal end, a longitudinal passageway, and an inner cutting window at its distal. An active electrode sleeve is disposed on an outer surface of the inner sleeve in a position opposed to the inner cutting window. Rotation of the inner sleeve relative to the outer sleeve causes the inner cutting window to rotate past the outer cutting window to resect tissue received through the cutting windows as they pass each other. Radiofrequency current can be applied to the active electrode to enhance tissue cutting then the cutting windows are being rotated or to able or cauterize tissue when the cutting windows are held stationary with the active electrode disposed through the outer cutting window.

1. The name of the design product: arthroscope probe head support seat. 2. The use of the design product: overall use: for detecting the inside of the joint; local use: for the installation of the camera. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: perspective view 1. 5. Other circumstances that need to be explained: the design relates to partial design, the part other than the pink colored part is the part requested to be protected as partial design.

The invention relates to the technical field of medical instruments, and discloses an arthroscope waste liquid suction device with a rapid self-cleaning function, the arthroscope waste liquid suction device comprises a negative pressure device, the two sides of the negative pressure device are fixedly connected with storage tanks, the tops of the storage tanks are provided with tank covers, and the tank covers are provided with feeding ports; a filtering and separating mechanism is arranged on the outer side of the tank cover and comprises a servo motor fixedly connected to the top end of the tank cover, a filtering rotary drum and a separating rotary drum, the filtering rotary drum and the separating rotary drum are rotationally connected with the tank cover, and a placing hook is fixedly connected to the outer side of the negative pressure device; a smashing and pushing mechanism is arranged on the outer side of the containing hook, a cleaning mechanism is arranged on the outer side of the negative pressure device, and an emptying exhaust valve port is formed in the outer side of the storage tank. By means of the differential double rotating drums and the reciprocating smashing and cleaning mechanism, chipping cutting and smashing, solid-liquid separation and blockage prevention are achieved, and the pipeline can be cleaned in situ to avoid infection.

An arthroscopic surgery system and method are provided that simplifies arthroscopic surgery by using remotely controllable instruments. The system includes a frame configurable to extend over or alongside at least a portion of a patient to be operated; and one or more surgical arms extending from the frame. Each of the plurality of surgical arms includes an arthroscopic instrument. A plurality of surgical arms and associated arthroscopic instruments may be remotely controlled by a user interface to perform an arthroscopic procedure.

The invention provides an arthroscope distraction device and a control method thereof. The arthroscope distraction device comprises a fixing structure, a position adjusting mechanism and an intelligent adjusting type distraction mechanism. The intelligent adjusting type distraction mechanism comprises a mounting frame, distraction devices are rotationally connected to the two sides of the mounting frame respectively, each distraction device comprises a linkage joint and an arc-shaped distraction arm, and the opposite faces of the two arc-shaped distraction arms are each provided with at least one miniature probe; at least one spreader is further provided with an angle sensor, the mounting frame is further provided with a visual sensor and a control assembly, the visual sensor is located between the two spreaders, and the control assembly controls the spreading angles of the spreaders according to the monitoring condition of the miniature probe and / or the visual sensor; the position adjusting mechanism is used for adjusting the space position and the space angle of the intelligent adjusting type opening mechanism according to the monitoring condition of the miniature probe and / or the visual sensor. According to the scheme, precise opening of the joints can be achieved according to the symptoms of a patient, and meanwhile dynamic autonomous adjustment is achieved through real-time feedback.

The invention relates to a single-channel minimally invasive arthroscope sheath which comprises a sheath body, and an observation cavity and an operation cavity are formed in the sheath body in the length direction of the sheath body. A spacer is arranged between the observation cavity and the operation cavity, and the axis of the observation cavity and the operation cavity form a cooperative working area in front of the imbedding end. According to the endoscopic sheath, a single-channel and double-function minimally invasive surgery mode is fundamentally realized. Through the physical isolation of the spacer and the space angle design of the observation cavity and the operation cavity, it is ensured that the arthroscope and the surgical instrument are parallel and do not interfere with each other in a single channel. In the operation process, the arthroscope can obtain a stable and clear operation field, a surgical instrument can directly reach an operation area in the preset direction, the arthroscope and the surgical instrument converge in a target area to form effective cooperation, and therefore a single incision is used for replacing traditional double channels, the wound area is reduced, and on the premise that operation operability is guaranteed, operation efficiency is improved. The number of channels is further reduced, and a more minimally invasive arthroscope sheath structure is achieved.

Disclosed herein are systems for implanting anchors and method of use thereof. The systems and methods can include an anchor punch, an anchor inserter, and a controller. The anchor punch can include an anchor punch sensor. The anchor inserter can include an anchor inserter sensor. The controller can be in electrical communication with the anchor punch sensor and the anchor inserter sensor. The controller can be operative to perform operations that include receiving an anchor punch sensor signal from the anchor punch sensor, recommending a number of anchors to be implanted in the bone based on a first estimate of the bone quality, receiving an anchor inserter signal from the anchor inserter sensor, and recommending a number of additional anchors to be implanted in the bone based on a second estimate of the bone quality.

The invention relates to the field of auxiliary instruments for wrist arthroscopic surgery, and particularly discloses a wrist arthroscopic channel stabilizing device which comprises a groove type sleeve made of a disposable vein infusion tube, the tube wall of the groove type sleeve is cut off in the longitudinal direction to form an open groove, the two ends of the groove type sleeve are cut to be smooth, and the length of the groove type sleeve is suitable for a wrist arthroscopic surgery approach; by establishing the stable channel, the instrument can freely slide along the groove wall of the stable channel, repeated friction and injury of the surgical instrument to subcutaneous tissues around an approach, such as joint capsules, blood vessels, nerves and tendons, are effectively avoided, surgical wounds are remarkably reduced, multiple times of access of the same channel can be ensured, no tissue implication is caused, and the surgical efficiency is improved. By the adoption of the structure, intra-articular operation can be rapidly transferred to be conducted outside the joint, the annular design reduces compression damage to channel tissue, it is guaranteed that the sleeve always exists, and the open type notch design enables an operation instrument to obtain a free operation space.